linux-kernel - Re: [PATCH 1/3] pxa168_eth: Allocate receive queue initialized to zero

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Message-Id: <20130619.221936.645815291796203336.davem@davemloft.net>
Date:	Wed, 19 Jun 2013 22:19:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	lkundrak@...sk
Cc:	konszert@...vell.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] pxa168_eth: Allocate receive queue initialized to
 zero

From: Lubomir Rintel <lkundrak@...sk>
Date: Tue, 18 Jun 2013 19:30:48 +0200

> Zero pointer in rx_skb or tx_skb is how respective *_deinit() functions find
> out that a skb slot is unallocated. If *_init() functions unsuccessfully return
> after the allocation (e.g. when subsequent dma_alloc_coherent() is not
> successful), this would result in attempt to kfree() invalid pointers.
> 
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>

Applied.
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